3:4
anthro
big_penis
blue_background
echidna
genitals
hi_res
humanoid_genitalia
humanoid_penis
knuckles_the_echidna
male
mammal
markings
marthan_crowl_(artist)
monotreme
penis
red_body
sega
simple_background
solo
sonic_the_hedgehog
sonic_the_hedgehog_(series)
white_markings
